Azobisisobutyronitrile
CAS 78-67-1C8H12N4164.21 g/mol
(E)-Azobis(isobutyronitrile) is a monoazo compound.
IUPAC: 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile
PubChem
Physical & Chemical Properties
| Melting Point | 221 °F (105 °C) |
| Density | 1.1 g/cm³ |
| Solubility | SOL IN METHANOL @ 0, 20, 40 °C: 1.8, 4.96, 16.06 G/100 ML; SOL IN ETHANOL @ 0, 20, 40 °C: 0.58, 2.04, 7.15 G/100 ML |
| Vapor Pressure | 0.0067 [mmHg] |
| Appearance | Insoluble in water and denser than water. Moderately toxic by ingestion. Readily ignited by sparks or flames. Burns intensely and persistently. Toxic oxides of nitrogen produced during combustion. Used as a catalyst, in vinyl polymerizations and a blowing agent for plastics. |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2927
Data: UN Comtrade
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